5. Unscrew the drain plug pump water poured into the water, the water is full of the pump chamber and the suction pipe until it absorbs water so far, then add water and tighten the plug.

Henan Daswell Machinery Co., Ltd,is a professional manufacturer and trader specializing in the research, development and production of construction machinery for nearly 30 years. Our main products are as follows:concrete mixer machine price,concrete batching plants,concrete mixer,blocking making machine,concrete pump,etc.